From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Use of standard rear road springs with low-rated front springs to improve ride quality.
| Identifier | ExFiles\Box 106\1\ scan0408 | |
| Date | 24th December 1936 | |
| 546. By.{R.W. Bailey - Chief Engineer} from Rm.{William Robotham - Chief Engineer} c. to Hs.{Lord Ernest Hives - Chair} c. to RHC.{R. H. Coverley - Production Engineer} Rm.{William Robotham - Chief Engineer}13/R.24.12.36. ROAD SPRINGS. By.7/G.17.12.36. Item 1. - Normal type rear springs. 25/30. This matter cropped up when Sg.{Arthur F. Sidgreaves - MD} was here last Tuesday. It appears that the car which he so severely criticised was fitted with stiff front springs. There is no doubt that these cars did ride like lorries. Sg.{Arthur F. Sidgreaves - MD} agrees that the standard rear road springs can be used up provided that, at the same time, low rated front springs are fitted. The position is that the standard front spring has 2" initial deflection, the low rated front spring 4", so that this change will make an enormous difference. These standard rear springs which we are proposing to utilise are not very different from the existing low rated springs, the initial deflection being 5.25" and 6.4" Rm.{William Robotham - Chief Engineer} | ||